\begin{table}
\centering
\begin{talltblr}[         %% tabularray outer open
entry=none,label=none,
note{}={+ p \num{< 0.1}, * p \num{< 0.05}, ** p \num{< 0.01}, *** p \num{< 0.001}},
]                     %% tabularray outer close
{                     %% tabularray inner open
colspec={Q[]Q[]Q[]Q[]Q[]Q[]Q[]},
column{2,3,4,5,6,7}={}{halign=c,},
column{1}={}{halign=l,},
hline{10}={1,2,3,4,5,6,7}{solid, black, 0.05em},
}                     %% tabularray inner close
\toprule
& All-Peers & All-Self & UK-Peers & UK-Self & Spain-Peers & Spain-Self \\ \midrule %% TinyTableHeader
(Intercept) & \num{1.933}*** & \num{1.928}*** & \num{1.812}*** & \num{1.801}*** & \num{2.054}*** & \num{2.055}*** \\
& (\num{0.023}) & (\num{0.024}) & (\num{0.027}) & (\num{0.030}) & (\num{0.036}) & (\num{0.037}) \\
treat1 & \num{0.429}*** & \num{0.421}*** & \num{0.484}*** & \num{0.510}*** & \num{0.374}*** & \num{0.332}*** \\
& (\num{0.021}) & (\num{0.022}) & (\num{0.027}) & (\num{0.029}) & (\num{0.033}) & (\num{0.034}) \\
round2 & \num{0.088}*** & \num{-0.001} & \num{0.070}* & \num{-0.050}+ & \num{0.107}** & \num{0.048} \\
& (\num{0.022}) & (\num{0.022}) & (\num{0.027}) & (\num{0.029}) & (\num{0.033}) & (\num{0.034}) \\
list2 & \num{0.035} & \num{-0.050}* & \num{0.093}*** & \num{-0.014} & \num{-0.023} & \num{-0.088}** \\
& (\num{0.022}) & (\num{0.022}) & (\num{0.027}) & (\num{0.029}) & (\num{0.033}) & (\num{0.034}) \\
Num.Obs. & \num{6194} & \num{6194} & \num{3086} & \num{3086} & \num{3108} & \num{3108} \\
R2 & \num{0.040} & \num{0.035} & \num{0.070} & \num{0.064} & \num{0.025} & \num{0.020} \\
R2 Adj. & \num{0.039} & \num{0.035} & \num{0.069} & \num{0.063} & \num{0.024} & \num{0.019} \\
AIC & \num{18499.2} & \num{18917.2} & \num{8148.0} & \num{8666.4} & \num{10053.9} & \num{10064.8} \\
BIC & \num{18532.9} & \num{18950.8} & \num{8178.2} & \num{8696.6} & \num{10084.1} & \num{10095.1} \\
RMSE & \num{1.08} & \num{1.11} & \num{0.90} & \num{0.98} & \num{1.22} & \num{1.22} \\
Std.Errors & by: IDvar & by: IDvar & by: IDvar & by: IDvar & by: IDvar & by: IDvar \\
\bottomrule
\end{talltblr}
\end{table}
